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Finding the Fourth Proportional to 2,283.30, 3,424.95 and 551.92

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Solution

The fourth proportional to 2,283.30, 3,424.95 and 551.92 is: 827.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,283.30 : 3,424.95 = 551.92 : x
  2. Step 2: Convert to fraction form
    2,283.30/3,424.95 = 551.92/x
  3. Step 3: Cross multiply
    2,283.30x = 3,424.95 × 551.92
  4. Step 4: Simplify right side
    2,283.30x = 1,890,298.40
  5. Step 5: Solve for x
    x = 1,890,298.40/2,283.30
  6. Step 6: Final answer
    x = 827.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.